Prof. Michael Stoll has scanned and uploaded a great amount of pages from Willard Cope Brinton’s second book “Graphic Presentation“. The set features some excellent vintage visualizations all dated before 1939.

The whole book can be downloaded (in a worse resolution) from archive.org.

Sometimes people are layered like that. There’s something totally different underneath than what’s on the surface. But sometimes, there’s a third, even deeper level, and that one is the same as the top surface one. Like with pie.